docs: def _open_playlist(self):
          """ open playlist """
          self._get_active_stations()
          self.jumpnr = ''
          self._random_requested = False
          txt = '''Reading playlists. Please wait...'''
          self._show_help(txt, NORMAL_MODE, caption=' ', prompt=' ', is_message=True)
          self.selections[self.operation_mode] = [self.selection, self.startPos, self.playing, self._cnf.stations]
          self.operation_mode = self.window_mode = PLAYLIST_MODE
          self.search = self._playlists_search
          self.selection, self.startPos, self.playing, self.stations = self.selections[self.operation_mode]
          self.number_of_items, self.playing = self.readPlaylists()
          self.stations = self._cnf.playlists
          if self.number_of_items == 0:
              return
          else:
              self.refreshBody()
              if logger.isEnabledFor(logging.DEBUG):
                  logger.debug('MODE: NORMAL_MODE -> PLAYLIST_MODE')
              return